CN112576441A - Wind power recovery power generation system - Google Patents

Wind power recovery power generation system Download PDF

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Publication number
CN112576441A
CN112576441A CN202011309232.7A CN202011309232A CN112576441A CN 112576441 A CN112576441 A CN 112576441A CN 202011309232 A CN202011309232 A CN 202011309232A CN 112576441 A CN112576441 A CN 112576441A
Authority
CN
China
Prior art keywords
fixedly connected
air
mounting
power generation
air supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011309232.7A
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Chinese (zh)
Inventor
袁海华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Original Assignee
Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lengshuijiang Bloomer Environmental Protection Energy Co ltd filed Critical Lengshuijiang Bloomer Environmental Protection Energy Co ltd
Priority to CN202011309232.7A priority Critical patent/CN112576441A/en
Publication of CN112576441A publication Critical patent/CN112576441A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0204Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a wind power recovery power generation system which comprises a system base, wherein the upper end of the system base is fixedly connected with a power generation pole and a positioning base, the positioning base is positioned on one side of the power generation pole, the upper end of the positioning base is fixedly connected with a cooling tower, the front end of the cooling tower is provided with an observation window and a crawling ladder, the upper end of the cooling tower is fixedly connected with a wind outlet box, and the upper end of the wind outlet box is fixedly connected with a positioning plate. The wind power recovery power generation system is provided with the adjustable lifting positioning mechanism and the detachable air supply mechanism, the air outlet position can be conveniently and better adjusted, the position of fan blades of a fan can be conveniently aligned, the air supply efficiency is improved, the use performance of the device is improved, the size of an air port for supplying air can be conveniently adjusted, the device is convenient to disassemble and assemble and is simpler to replace, the wind power recovery power generation system is suitable for different air port shapes and convenient to use, and better use prospects are brought.

Description

Wind power recovery power generation system
Technical Field
The invention relates to the field of wind power generation, in particular to a wind power recovery power generation system.
Background
Wind power recovery power generation system is a support equipment that carries out wind power recovery power generation, and nowadays, the type of electricity generation is more diversified, and wind power generation's use is also more and more extensive, and is more energy-concerving and environment-protective, and along with the continuous development of science and technology, people also are higher and higher to wind power recovery power generation system's manufacturing process requirement.
The existing wind power recovery power generation system has certain disadvantages when in use, firstly, the height of an air supply device cannot be conveniently adjusted when the wind power generation system is used, the position of a fan cannot be well aligned, the use of people is not facilitated, and in addition, the size of an air port cannot be conveniently replaced and adjusted when the wind power generation system is used, certain adverse effects are brought to the use process of people, and therefore the wind power recovery power generation system is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the wind power recovery power generation system which can conveniently and better adjust the air outlet position, is convenient to align the position of fan blades of a fan, increases the air supply efficiency, improves the service performance of the device, can also conveniently adjust the size of an air inlet for air supply, is convenient to disassemble and assemble, is simpler to replace, is suitable for different air inlet shapes, is convenient to use, and can effectively solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that: a wind power recovery power generation system comprises a system base, wherein a power generation pole and a positioning base are fixedly connected to the upper end of the system base, the positioning base is positioned on one side of the power generation pole, a cooling tower is fixedly connected to the upper end of the positioning base, an observation window and a crawling ladder are arranged at the front end of the cooling tower, an air outlet box is fixedly connected to the upper end of the cooling tower, a positioning plate is fixedly connected to the upper end of the air outlet box, an air outlet is formed in the middle of the positioning plate, a lifting cylinder is fixedly connected to the upper end of the positioning plate, a mounting plate is fixedly connected to the upper end of the lifting cylinder, an air inlet is formed in the middle of the mounting plate, a telescopic air conveying pipe is arranged between the air inlet and the air outlet, mounting frames are fixedly connected to two sides, the utility model discloses a wind power generation device, including mounting bracket, air supply box, front end fixedly connected with blast pipe, the inboard fixed mounting of mounting bracket has the blast box, the front end fixedly connected with blast pipe of blast box, the outside of blast pipe is provided with dismantled and assembled supply-air head, the one end of dismantled and assembled supply-air head has opened and shut the installing port, the installation screw thread has been seted up to the inner wall of installing port, the front end fixedly connected with air-out plate of dismantled and assembled supply-air head, the surface of air-out plate has seted up out.
Preferably, the lower extreme swing joint of lift cylinder and mounting panel is passed through to the upper end of locating plate, be provided with the locating piece between mounting panel and the mounting bracket, the inboard fixed connection of locating piece and mounting bracket is passed through to the both sides of mounting panel, the lower extreme of air intake link up through the upper end of scalable defeated tuber pipe and air outlet.
Preferably, be provided with the powerful glue between mounting bracket and the protection pad, the surface of mounting bracket passes through the internal surface fixed connection of powerful glue and protection pad, be provided with the fixed glue between mounting panel and the sealed pad, the surface of mounting panel passes through the fixed glue and is connected with the internal surface fixed who seals up the pad, the outside location installation of mounting bracket and air supply case is passed through to the inboard of mounting panel.
Preferably, the one end of dismantled and assembled blast head is connected for dismantling through the one end of installation screw thread, installing port and blast pipe, be provided with the fixed block between dismantled and assembled blast head and the air-out board, the outer wall fixed connection of fixed block and air-out board is passed through to the one end of dismantled and assembled blast head.
Preferably, be provided with the pivot between power generation pole and the electricity generation fan, the one end swing joint of upper end one side of power generation pole through pivot and electricity generation fan, be provided with the mount pad between play bellows and the locating plate, the lower extreme that the upper end of going out bellows passes through mount pad and locating plate is for dismantling and be connected.
Preferably, a welding seat is arranged between the positioning base and the cooling tower, and the upper end of the positioning base is fixedly connected with the upper end of the cooling tower through the welding seat.
(III) advantageous effects
Compared with the prior art, the invention provides a wind power recovery power generation system, which has the following beneficial effects: the wind power recovery power generation system can conveniently and better adjust the air outlet position through the adjustable lifting positioning mechanism and the detachable air supply mechanism, is convenient to align with the position of a fan blade of a fan, increases the air supply efficiency, improves the service performance of the device, can also conveniently adjust the size of an air outlet of air supply, is convenient to disassemble and assemble, is simpler to replace, is suitable for different air outlet shapes, is convenient to use, a positioning plate is fixed at the upper end of an air outlet box, wind power reaches the inside of the air supply box through an air outlet, a telescopic air delivery pipe and an air inlet, the air supply box is arranged at the inner side position of a mounting plate through a mounting frame, the bottom air inlet is aligned with the position of the air inlet, is convenient and better to carry out air inlet operation, a protective pad and a sealing pad are convenient to carry out sealing protection, the wear resistance is, change the position of blast pipe air-out, conveniently aim at the position of electricity generation fan, increase the air supply effect, dismantled and assembled air supply head installs the outside at the blast pipe through installation screw thread and installing port, can conveniently change, it is provided with different models with the air-out groove to go out the aerofoil, can change according to inside wind-force, wind-force is the air-out groove when big adopts the major possession, the air-out groove adopts the aperture of minor possession when wind-force is hour, increase the wind-force of air supply, be convenient for better use, the generating effect is more excellent, whole wind power recovery power generation system simple structure, high durability and convenient operation, the effect of using is better for the.
Drawings
FIG. 1 is a schematic view of the overall structure of a wind power recovery power generation system according to the present invention.
FIG. 2 is a schematic structural diagram of a lifting installation positioning mechanism in a wind power recovery and generation system according to the present invention.
FIG. 3 is a schematic structural diagram of a detachable air supply mechanism in a wind power recovery power generation system according to the present invention.
FIG. 4 is a schematic structural view of the other side of the detachable air supply mechanism in the wind power recovery and power generation system of the present invention.
In the figure: 1. a system base; 2. a power generating pole; 3. a power generation fan; 4. an air supply pipe; 5. the detachable air supply head; 6. an air supply box; 7. an air outlet box; 8. mounting a plate; 9. a cooling tower; 10. positioning a base; 11. an observation window; 12. climbing a ladder; 13. a mounting frame; 14. a protection pad; 15. a gasket; 16. an air inlet; 17. positioning a plate; 18. a lifting cylinder; 19. an air outlet; 20. a telescopic air delivery pipe; 21. an air outlet plate; 22. an air outlet groove; 23. installing threads; 24. and (7) installing the opening.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a wind power recovery power generation system comprises a system base 1, a power generation pole 2 and a positioning base 10 are fixedly connected to the upper end of the system base 1, the positioning base 10 is located at one side of the power generation pole 2, a cooling tower 9 is fixedly connected to the upper end of the positioning base 10, an observation window 11 and a ladder 12 are arranged at the front end of the cooling tower 9, an air outlet box 7 is fixedly connected to the upper end of the cooling tower 9, a positioning plate 17 is fixedly connected to the upper end of the air outlet box 7, an air outlet 19 is arranged in the middle of the positioning plate 17, a lifting cylinder 18 is fixedly connected to the upper end of the positioning plate 17, a mounting plate 8 is fixedly connected to the upper end of the lifting cylinder 18, an air inlet 16 is arranged in the middle of the mounting plate 8, a telescopic air delivery pipe 20 is arranged between the, the outer fixed surface of mounting panel 8 is connected with sealed the pad 15, the inboard fixed mounting of mounting bracket 13 has supply-air box 6, the front end fixedly connected with blast pipe 4 of supply-air box 6, the outside of blast pipe 4 is provided with dismantled and assembled supply-air head 5, the one end of dismantled and assembled supply-air head 5 is opened and shut mounting port 24, mounting thread 23 has been seted up to the inner wall of mounting port 24, the front end fixedly connected with air-out plate 21 of dismantled and assembled supply-air head 5, air-out groove 22 has been seted up to the surface of air-out plate 21, upper end one side of electricity generation.
Furthermore, the upper end of the positioning plate 17 is movably connected with the lower end of the mounting plate 8 through the lifting cylinder 18, a positioning block is arranged between the mounting plate 8 and the mounting frame 13, the two sides of the mounting plate 8 are fixedly connected with the inner side of the mounting frame 13 through the positioning block, and the lower end of the air inlet 16 is communicated with the upper end of the air outlet 19 through the telescopic air delivery pipe 20, so that air supply operation is facilitated.
Further, be provided with the super glue between mounting bracket 13 and the protection pad 14, the surface of mounting bracket 13 passes through the super glue and is connected with the internal surface fixed of protection pad 14, is provided with the fixed glue between mounting panel 8 and the sealed pad 15, and the surface of mounting panel 8 passes through the fixed glue and is connected with the internal surface fixed who fills up pad 15, and mounting bracket 13 and the outside location installation of air supply box 6 are passed through to the inboard of mounting panel 8, conveniently install the location.
Furthermore, the one end of dismantled and assembled blast head 5 is passed through installation screw thread 23, mounting hole 24 and is connected for dismantling with the one end of blast pipe 4, is provided with the fixed block between dismantled and assembled blast head 5 and the play aerofoil 21, and the one end of dismantled and assembled blast head 5 is passed through the fixed block and is connected with the outer wall fixed connection of play aerofoil 21, is convenient for carry out the dismouting.
Further, be provided with the pivot between power generation pole 2 and the electricity generation fan 3, the one end swing joint of upper end one side of power generation pole 2 through pivot and electricity generation fan 3 is provided with the mount pad between air-out case 7 and the locating plate 17, and the lower extreme that the mount pad and locating plate 17 were passed through to the upper end of air-out case 7 is for dismantling being connected, the better operation of generating electricity.
Furthermore, a welding seat is arranged between the positioning base 10 and the cooling tower 9, and the upper end of the positioning base 10 is fixedly connected with the upper end of the cooling tower 9 through the welding seat, so that the air supply effect is improved.
The working principle is as follows: the invention comprises a system base 1, a power generation rod 2, a power generation fan 3, an air supply pipe 4, a detachable air supply head 5, an air supply box 6, an air outlet box 7, a mounting plate 8, a cooling tower 9, a positioning base 10, an observation window 11, a ladder stand 12, a mounting frame 13, a protective pad 14, a sealing pad 15, an air inlet 16, a positioning plate 17, a lifting cylinder 18, an air outlet 19, a telescopic air supply pipe 20, an air outlet plate 21, an air outlet groove 22, mounting threads 23 and a mounting port 24, wherein when in use, the cooling tower 9 is mounted at the upper end of the system base 1 through the positioning base 10, an internal motor of the cooling tower 9 drives blades to rotate through a reduction box or a speed increasing box, hot air generated by the blades is extracted out of the hot air and finally discharged from the top of the cooling tower 9 to reach the position of the air box 7, the positioning plate 17 is fixed at the upper end of the air outlet box 7, and the, the air supply box 6 is arranged at the inner side position of the mounting plate 8 through the mounting frame 13, the bottom air port is aligned to the position of the air inlet 16, so that air supply operation is better facilitated, the protection pad 14 and the sealing pad 15 are convenient for sealing protection, the wear-resisting property is excellent, the mounting effect is better, the height of the mounting plate 8 can be adjusted through the lifting cylinder 18, so that the air supply box 6 is driven to be adjusted in height, the air outlet position of the air supply pipe 4 is changed, the position of the power generation fan 3 is conveniently aligned, the air supply effect is improved, the detachable air supply head 5 is arranged at the outer side of the air supply pipe 4 through the mounting thread 23 and the mounting port 24 and can be conveniently replaced, the air outlet plate 21 and the air outlet groove 22 are arranged in different types and can be replaced according to internal wind power, the air outlet groove 22 adopts a large size when the wind power is, the power generation effect is more excellent, can make things convenient for better adjust the air-out position, is convenient for aim at the position of fan flabellum, increases the efficiency of air supply, improves the performance of device, can also conveniently adjust the wind gap size of air supply, and the dismouting of being convenient for is changed more simply, is applicable to different wind gap shapes, convenient to use.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A wind power recovery power generation system, includes system base (1), its characterized in that: the system comprises a system base (1), wherein a power generation pole (2) and a positioning base (10) are fixedly connected to the upper end of the system base (1), the positioning base (10) is positioned on one side of the power generation pole (2), a cooling tower (9) is fixedly connected to the upper end of the positioning base (10), an observation window (11) and a ladder stand (12) are arranged at the front end of the cooling tower (9), an air outlet box (7) is fixedly connected to the upper end of the cooling tower (9), a positioning plate (17) is fixedly connected to the upper end of the air outlet box (7), an air outlet (19) is formed in the middle of the positioning plate (17), a lifting cylinder (18) is fixedly connected to the upper end of the positioning plate (17), a mounting plate (8) is fixedly connected to the upper end of the lifting cylinder (18), an air inlet (16) is formed in the middle of the mounting plate (8), the two sides of the mounting plate (8) are fixedly connected with mounting frames (13), the outer surfaces of the mounting frames (13) are fixedly connected with protective pads (14), the outer surface of the mounting plate (8) is fixedly connected with a sealing gasket (15), the inner side of the mounting frame (13) is fixedly provided with an air supply box (6), the front end of the air supply box (6) is fixedly connected with an air supply pipe (4), the outer side of the air supply pipe (4) is provided with a detachable air supply head (5), one end of the detachable air supply head (5) is provided with a mounting opening (24), the inner wall of the mounting opening (24) is provided with a mounting thread (23), the front end of the detachable air supply head (5) is fixedly connected with an air outlet plate (21), air-out groove (22) have been seted up to the surface of air-out board (21), upper end one side of power generation pole (2) is provided with electricity generation fan (3).
2. A wind power recovery and generation system according to claim 1, wherein: the lower extreme swing joint of lift cylinder (18) and mounting panel (8) is passed through to the upper end of locating plate (17), be provided with the locating piece between mounting panel (8) and mounting bracket (13), the inboard fixed connection of locating piece and mounting bracket (13) is passed through to the both sides of mounting panel (8), the lower extreme of air intake (16) is link up through the upper end of scalable defeated tuber pipe (20) and air outlet (19).
3. A wind power recovery and generation system according to claim 1, wherein: be provided with the super glue between mounting bracket (13) and protection pad (14), the surface of mounting bracket (13) passes through the super glue and is connected with the internal surface fixed of protection pad (14), be provided with the solid fixed glue between mounting panel (8) and sealed pad (15), the surface of mounting panel (8) passes through the solid fixed glue and is connected with the internal surface fixed who seals up pad (15), the inboard of mounting panel (8) is through the outside location installation of mounting bracket (13) and air supply box (6).
4. A wind power recovery and generation system according to claim 1, wherein: the one end of dismantled and assembled blast head (5) is passed through installation screw thread (23), installing port (24) and is connected for dismantling with the one end of blast pipe (4), be provided with the fixed block between dismantled and assembled blast head (5) and air-out board (21), the outer wall fixed connection of fixed block and air-out board (21) is passed through to the one end of dismantled and assembled blast head (5).
5. A wind power recovery and generation system according to claim 1, wherein: be provided with the pivot between power generation pole (2) and power generation fan (3), the one end swing joint of upper end one side through pivot and power generation fan (3) of power generation pole (2), it is provided with the mount pad to go out between bellows (7) and locating plate (17), the lower extreme that the upper end of going out bellows (7) passes through mount pad and locating plate (17) is for dismantling the connection.
6. A wind power recovery and generation system according to claim 1, wherein: a welding seat is arranged between the positioning base (10) and the cooling tower (9), and the upper end of the positioning base (10) is fixedly connected with the upper end of the cooling tower (9) through the welding seat.
CN202011309232.7A 2020-11-20 2020-11-20 Wind power recovery power generation system Pending CN112576441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011309232.7A CN112576441A (en) 2020-11-20 2020-11-20 Wind power recovery power generation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011309232.7A CN112576441A (en) 2020-11-20 2020-11-20 Wind power recovery power generation system

Publications (1)

Publication Number Publication Date
CN112576441A true CN112576441A (en) 2021-03-30

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CN202011309232.7A Pending CN112576441A (en) 2020-11-20 2020-11-20 Wind power recovery power generation system

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012112821A (en) * 2010-11-25 2012-06-14 Daihatsu Motor Co Ltd Blower for cooling test of internal combustion engine
CN104728048A (en) * 2015-04-08 2015-06-24 中南大学 Wind power and water power mixed power generation device of cooling tower
KR20160067367A (en) * 2014-12-04 2016-06-14 김대철 Air blower for unit cooler
CN205714576U (en) * 2016-06-28 2016-11-23 大庆安鼎风电技术服务有限责任公司 A kind of wind power plant
CN206368772U (en) * 2016-10-11 2017-08-01 崨豹科技股份有限公司 With reference to the wind power generation plant of ventilating fan
WO2018000159A1 (en) * 2016-06-27 2018-01-04 康丰生 Hybrid new energy power generation apparatus based on wind energy and solar energy
CN207554271U (en) * 2017-12-12 2018-06-29 湛江市创伟节能技术服务有限公司 A kind of wind power plant
CN209445613U (en) * 2018-12-21 2019-09-27 佛山宝力思节能设备科技有限公司 A kind of stirring-type wind power heating solar air source heat pumps water heater
CN110761951A (en) * 2019-11-18 2020-02-07 成都六九一四科技有限公司 Magnetic energy vortex wind power heating device with lightning protection function

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012112821A (en) * 2010-11-25 2012-06-14 Daihatsu Motor Co Ltd Blower for cooling test of internal combustion engine
KR20160067367A (en) * 2014-12-04 2016-06-14 김대철 Air blower for unit cooler
CN104728048A (en) * 2015-04-08 2015-06-24 中南大学 Wind power and water power mixed power generation device of cooling tower
WO2018000159A1 (en) * 2016-06-27 2018-01-04 康丰生 Hybrid new energy power generation apparatus based on wind energy and solar energy
CN205714576U (en) * 2016-06-28 2016-11-23 大庆安鼎风电技术服务有限责任公司 A kind of wind power plant
CN206368772U (en) * 2016-10-11 2017-08-01 崨豹科技股份有限公司 With reference to the wind power generation plant of ventilating fan
CN207554271U (en) * 2017-12-12 2018-06-29 湛江市创伟节能技术服务有限公司 A kind of wind power plant
CN209445613U (en) * 2018-12-21 2019-09-27 佛山宝力思节能设备科技有限公司 A kind of stirring-type wind power heating solar air source heat pumps water heater
CN110761951A (en) * 2019-11-18 2020-02-07 成都六九一四科技有限公司 Magnetic energy vortex wind power heating device with lightning protection function

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Application publication date: 20210330